Canon Kabushiki Kaisha

Kouji Harada

Kenji Shinjo

Shinsuke Tsuji

Yutaka Kurabayashi

Isao Imamura

Yuichiro Kanasugi

Hikaru Ueda

Tadayoshi Inamoto

Shoji Shiba

Norio Ohkuma

Yoshikazu Saito

Masaya Uyama

Makoto Terui

Hiroe Ishikura

A liquid-discharging head includes a substrate; a flow passage wall-forming layer bonded to the substrate so as to form a flow passage for liquid between the substrate and the flow passage wall-forming layer, the flow passage communicating with a discharge port configured to discharge the liquid; an element configured to generate energy used for discharging the liquid from the discharge port and provided on the flow passage wall-forming layer; a metal layer provided with the discharge port so as to correspond to the element; and a projecting portion made of a metal and extending from the metal layer through the flow passage wall-forming layer and projecting in the direction of the substrate.

Liquid-discharging head and method of producing the same

The invention provides an aqueous liquid composition containing a water-soluble monomer, a photopolymerization initiator and an aqueous medium and further containing a polymer emulsion, wherein the water-soluble monomer is a monomer that has two or more ethylenically unsaturated bonds and is curable with an active energy ray.

Liquid composition, ink jet recording method, ink jet recording apparatus and recorded image

A sealant contains a dicyclopentadiene type epoxy resin represented by formula 1 below, a hydrogenated bisphenol A epoxy resin, and a photo-induced cationic polymerization initiator, in which the content of the dicyclopentadiene type epoxy resin is 15 to 40 parts by mass relative to 100 parts by mass of the total mass of epoxy resins contained in the sealant. where n represents an integer of 0 to 2.

Sealant, inkjet recording head using sealant, and method for manufacturing the same

The invention provides an active energy ray curable ink jet recording liquid composition including a radically polymerizable compound, an active energy ray polymerization initiator, a wax and water, wherein the melting point of the wax is 40&#xb0; C. or more and 120&#xb0; C. or less.

Active energy ray curable ink jet recording liquid composition and ink jet recording method using the same

The invention provides an active energy ray curable liquid composition containing a compound represented by a general formula (I): wherein A is a hydrogen atom or a monovalent organic residue which may be substituted, Rand Rare, independently of each other, a divalent organic group which may be substituted, E is an amide bond, Ris a cyclic linking group having a carbonyl group and an unsaturated carbon-carbon bond adjacent to the carbon atom of the carbonyl group, m is a number of 0 or greater, n is a number of 2 or greater, m+n is 3, and Z is a secondary or tertiary amino bond structure, with the proviso that the amino bond may be a salt of a secondary or tertiary amine, and a liquid cartridge.

Active energy ray curable liquid composition and liquid cartridge

A sealant for an ink jet head includes at least an oxetane compound having a biphenyl skeleton, an alicyclic epoxy compound, and a cationic polymerization initiator.

Sealant for ink jet head, ink jet head, and ink jet recording apparatus

A liquid discharge head including a discharge element substrate including an orifice plate having a discharge port for discharging a liquid, and a supply port opened in the reverse side of the surface forming the discharge port for supplying a liquid into the discharge port; a support member having a supply path for supplying a liquid into the supply port; and a flexible wiring substrate having a blanking portion for transmitting a signal for discharging a liquid to the discharge element substrate. The discharge element substrate is electrically connected to the flexible wiring substrate on the surface opening the supply port, the flexible wiring substrate is bonded to both the discharge element substrate and the support member by means of an adhesive, the end face of the blanking portion is covered with the adhesive, the covered blanking portion communicates with the supply port, and the adhesive is a thermally fusible adhesive composed of denatured polyolefin, having a softening point of 80&#xb0; C. or higher.

Growing community of inventors

Kawasaki, Japan

Kouji Harada